Access doors are specialized openings in walls, ceilings, or floors that provide entry to hidden spaces, such as plumbing, electrical systems, or HVAC components. They are designed to allow maintenance and inspection without the need for extensive construction work. Access doors come in various sizes and materials, catering to different needs and environments. These doors can be found in both residential and commercial buildings, ensuring easy access to critical systems while maintaining the aesthetics of the surrounding area. Common types include fire-rated access doors, insulated access doors, and security access doors, each serving specific functions and requirements.